NO20181583A1 - Method and system for managed pressure drilling - Google Patents

Method and system for managed pressure drilling

Info

Publication number
NO20181583A1
NO20181583A1 NO20181583A NO20181583A NO20181583A1 NO 20181583 A1 NO20181583 A1 NO 20181583A1 NO 20181583 A NO20181583 A NO 20181583A NO 20181583 A NO20181583 A NO 20181583A NO 20181583 A1 NO20181583 A1 NO 20181583A1
Authority
NO
Norway
Prior art keywords
value
plc
annulus
control choke
flow rate
Prior art date
Application number
NO20181583A
Other languages
Norwegian (no)
Inventor
Steinar Elgsaeter
Christian Bratli
Original Assignee
Equinor Energy As
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Equinor Energy As filed Critical Equinor Energy As
Publication of NO20181583A1 publication Critical patent/NO20181583A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/06—Measuring temperature or pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics (AREA)
  • Feedback Control In General (AREA)
  • Earth Drilling (AREA)

Abstract

A method for use with a managed pressure drilling (MPD) system, the system comprising a drill string having a drill bit, an annulus defined outside of the drill string, a mud pump for pumping mud down through the drill string and back up through the annulus, a control choke in an extraction path coupled to the annulus, a back pressure pump also coupled to the extraction path, and a programmable logic controller (PLC) for controlling the control choke, the method comprising: a) performing measurements to determine a dataset comprising, for each of a plurality of time steps k: a value of fluid flow rate through the drill bit q bit [k], a value of fluid flow rate through the control choke q c [k], a value of fluid flow rate from the back pressure pump q bpp [k] and a value of fluid pressure at the control choke p c [k]; b) executing an inversion algorithm on the PLC to obtain a value for the bulk modulus of a fluid within the annulus, the inversion algorithm taking the dataset as an input, wherein the inversion algorithm accounts for a measurement bias b q in one or more of said measurements; c) updating one or more control parameters of the PLC based on the value for the bulk modulus; and d) manipulating the control choke using the PLC to attain a desired pressure in the system.
NO20181583A 2016-06-07 2018-12-10 Method and system for managed pressure drilling NO20181583A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1609894.9A GB2551141B (en) 2016-06-07 2016-06-07 Method and system for managed pressure drilling
PCT/NO2017/050143 WO2017213513A1 (en) 2016-06-07 2017-06-02 Method and system for managed pressure drilling

Publications (1)

Publication Number Publication Date
NO20181583A1 true NO20181583A1 (en) 2018-12-10

Family

ID=56508164

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20181583A NO20181583A1 (en) 2016-06-07 2018-12-10 Method and system for managed pressure drilling

Country Status (8)

Country Link
US (1) US10689928B2 (en)
AU (1) AU2017279451B2 (en)
BR (1) BR112018075383B1 (en)
CA (1) CA3027001A1 (en)
GB (1) GB2551141B (en)
MX (1) MX2018015191A (en)
NO (1) NO20181583A1 (en)
WO (1) WO2017213513A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109236281B (en) * 2018-11-28 2023-08-01 中国石油天然气集团有限公司 Device and method for detecting annular pressure of gas storage and natural gas well
CN109779568B (en) * 2018-12-14 2022-01-04 中国石油天然气集团有限公司 Closed-loop control method and system for automatically controlling pressure to implement well killing
WO2021071686A1 (en) * 2019-10-10 2021-04-15 Ameriforge Group Inc. Intermittent well state sampling in managed pressure drilling applications
CN113605878B (en) * 2021-08-09 2023-05-26 中国石油大学(华东) Stratum information inversion system and method in pressure control drilling process

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020112888A1 (en) 2000-12-18 2002-08-22 Christian Leuchtenberg Drilling system and method
US20050092523A1 (en) * 2003-10-30 2005-05-05 Power Chokes, L.P. Well pressure control system
CN100353027C (en) 2003-10-31 2007-12-05 中国石油化工股份有限公司 Under balance drilling bottom pressure automatic control system and method
US7308952B2 (en) 2004-06-04 2007-12-18 Strazhgorodskiy Semen Iosiphov Underbalanced drilling method and apparatus
DE102005011125A1 (en) * 2005-03-10 2006-09-14 Siemens Ag Measured data processing method for medical research, involves verifying, before evaluation of data, whether functions has orthogonal portions in dataset represented section of dependency on parameter for evaluations in adequate measure
US7610251B2 (en) 2006-01-17 2009-10-27 Halliburton Energy Services, Inc. Well control systems and associated methods
FR2931189B1 (en) * 2008-05-16 2010-05-14 Total Sa METHOD FOR ESTIMATING PHYSICAL PARAMETERS OF A GEOLOGICAL FORMATION
GB2473672B (en) * 2009-09-22 2013-10-02 Statoilhydro Asa Control method and apparatus for well operations
AU2013327663B2 (en) * 2012-10-03 2016-03-10 Shell Internationale Research Maatschappij B.V. Optimizing performance of a drilling assembly
WO2014204316A1 (en) 2013-06-19 2014-12-24 National Oilwell Varco Norway As Method and apparatus for real-time fluid compressibility measurements
CA2949675C (en) 2014-05-19 2022-10-25 Danny Spencer A system for controlling wellbore pressure during pump shutdowns
US10054917B2 (en) * 2014-12-30 2018-08-21 National Oilwell Varco, L.P. Drilling direct control user interface
WO2016140650A1 (en) 2015-03-03 2016-09-09 Halliburton Energy Services, Inc. Managed pressure drilling with hydraulic modeling that incorporates an inverse model
US20180172860A1 (en) * 2015-08-05 2018-06-21 Halliburton Energy Services, Inc Time-Lapsed Seismic Wavefield Monitoring of Downhole Formations
US20170037690A1 (en) * 2015-08-06 2017-02-09 Schlumberger Technology Corporation Automatic and integrated control of bottom-hole pressure

Also Published As

Publication number Publication date
US10689928B2 (en) 2020-06-23
AU2017279451A1 (en) 2019-01-03
AU2017279451B2 (en) 2022-04-28
BR112018075383B1 (en) 2023-04-11
US20190301254A1 (en) 2019-10-03
MX2018015191A (en) 2019-09-09
WO2017213513A1 (en) 2017-12-14
CA3027001A1 (en) 2017-12-14
BR112018075383A2 (en) 2019-03-19
GB2551141B (en) 2020-05-13
GB201609894D0 (en) 2016-07-20
GB2551141A (en) 2017-12-13

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